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प्रश्न
Evaluate:
`4/7 +0 + (-8)/9 + (-13)/7 + 17/9`
बेरीज
उत्तर
`4/7 + (-8)/9 + (-13)/7 + 17/9`
`= [4/7 + ((-13)/7)] + ((-8)/9 + 17/9)`
`= (4/7) - 13/7 + (-8)/9 + 17/9`
`= (-9)/7 + 9/9 = (-9)/7 + 1`
`= (-9xx1)/(7xx1) + (1xx7)/(1xx7)`
(LCM of 1 and 7 = 7)
`= (-9)/7 + 7/7 = (-2)/7`
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